Mariah Dawn Hughes, PA-C
NPI 1073711644ActiveIndividual· Physician Assistant, Medical· Fairfield, CA
Physician Assistant, Medical (PA-C) with Sutter Valley Medical Foundation, practicing in Fairfield, California. Their prescriptions cost Medicare Part D more than their services did: $185,283 for 546 claims, against $38,267 paid for services in 2024. Actelion Pharmaceuticals US, Inc. was the largest of 2 companies reporting payments in 2025, $152.18 in all, mostly food and beverage. Lists Northbay Medical Center as a hospital affiliation.
Overview
| NPI | 1073711644 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 5, 2007 |
| Last updated in NPPES | Nov 3, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | 19243 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 247 |
|---|---|
| Services billed | 489 across 6 procedure codes |
| Paid by Medicare | $38,267 |
Part D prescriptions in 2024
| Prescriptions (claims) | 546 · 751 30-day fills |
|---|---|
| Patients | 106 |
| Total drug cost | $185,283 |
| Generic share | 33% of claims |
Education and affiliations
| Graduation year | 2007 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Sutter Valley Medical FoundationModesto, CA · 2,500 clinicians
Hospital affiliation
- Northbay Medical CenterFairfield, CA
Industry payments (Open Payments)
- 2025$152.18 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Actelion Pharmaceuticals US, Inc. | $90.43 | 2 |
| Insmed, Inc. | $61.75 | 2 |
What the 2025 payments were for
- Food and Beverage$87.19 · 3 payments
- Education$64.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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